21312122333294 has 16 divisors (see below), whose sum is σ = 34898881042032. Its totient is φ = 9701619438528.

The previous prime is 21312122333287. The next prime is 21312122333371. The reversal of 21312122333294 is 49233322121312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5614361204 + ... + 5614364999.

It is an arithmetic number, because the mean of its divisors is an integer number (2181180065127).

Almost surely, 2^{21312122333294} is an apocalyptic number.

21312122333294 is a deficient number, since it is larger than the sum of its proper divisors (13586758708738).

21312122333294 is a wasteful number, since it uses less digits than its factorization.

21312122333294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11228726291.

The product of its digits is 93312, while the sum is 38.

The spelling of 21312122333294 in words is "twenty-one trillion, three hundred twelve billion, one hundred twenty-two million, three hundred thirty-three thousand, two hundred ninety-four".